ESPROS/SEC is an optical sensor to detect harmful objects in a lift cabin or another specific area. It is used to prevent theft, personal assaults or vandalism. The sensor has integrated software to monitor the interior of the lift for possible harmful objects and passengers. If someone or an object is detected in the area monitored by ESPROS/SEC, the relay output will be activated.

Tandus is an international manufacturer and supplier of high-performance commercial carpeting. Their products are designed with unique patterns, textures, and colors, suitable for various commercial spaces. Their manufacturing facility in Suzhou, China produces modular carpet tiles that comply with North American quality standards.

This document provides a table of contents for the High-Speed Signal Processing Product Reference Manual, which includes high-speed analog-to-digital converters (ADCs), high-speed digital-to-analog converters (DACs), high-speed amplifiers, clock generation and distribution, direct digital synthesis (DDS) and quadrature digital upconversion (QDUC), imaging, advanced TV and flat panel display interfaces, transceivers (TRX), companion devices, design and evaluation tools, application notes and articles, and converter performance specifications.

This manual describes how to use the RIGOL DS1000B Series Digital Oscilloscopes.

VT4056 is a 1A linear lithium-ion battery charger. Its features include programmable charging current, no MOSFET, no detection resistor, no isolation diode, constant current/constant voltage operation, a preset charging voltage of 4.2V with an accuracy of ±1.5%, a charging current monitor output for battery capacity detection, automatic recharge, two charging status outputs, no battery and fault status display, C/10 charging termination, a standby mode with a power supply current of 55 uA, a 2.9V trickle charge device version, soft start limiting surge current, and battery temperature monitoring function.

Introduces the use of the DS1000B series digital oscilloscope, including safety overview, measurement category, safety terms and symbols, etc.

LA-2050 is a logic analyzer launched by Leaptronix. This document is its Chinese user manual

This document is the S7-1200 Getting Started Manual, which introduces the features and functions of the S7-1200 controller.